Re: Improve comment in function GetPublicationRelations

From: Chao Li <li(dot)evan(dot)chao(at)gmail(dot)com>
To: Shlok Kyal <shlok(dot)kyal(dot)oss(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Improve comment in function GetPublicationRelations
Date: 2025-12-10 13:30:02
Message-ID: 7251A359-6710-4366-88DD-17F274FB6748@gmail.com
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> On Dec 10, 2025, at 19:15, Shlok Kyal <shlok(dot)kyal(dot)oss(at)gmail(dot)com> wrote:
>
> Hi,
>
> While working on the thread [1], we found that the comment in the
> function GetPublicationRelations is not correct. This function gets
> the list of relations associated with the publication, but the comment
> says the opposite :
> /* Find all publications associated with the relation. */
>
> Attached a patch to fix it.
>
> [1]: https://www.postgresql.org/message-id/CANhcyEV_EVi5cgJ6WPvmeVAqjCS7Of%2BVAWuRHZtsVf8PQb_z7g%40mail.gmail.com
>
> Thanks,
> Shlok Kyal
> <v1-0001-Improve-comment-in-function-GetPublicationRelatio.patch>

Looking at the code:

```
/* Find all publications associated with the relation. */
pubrelsrel = table_open(PublicationRelRelationId, AccessShareLock);

ScanKeyInit(&scankey,
Anum_pg_publication_rel_prpubid,
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(pubid));
```

It queries the pg_publication table by a pubid, so, indeed, the fix is correct.

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/

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